American High Performance Seals

Rotary Seals

High Pressure Rotary Seals &

Medium Pressure Rotary Seals

For sealing dynamic, rotary motion

Rotary Shaft Seals - Oil, Grease and Bearing Seals - High-Performance Rotary Seals - Swivel Seals - Split Rotary Seals - V-Rings - Labyrinth Seals - Show All

Typical rod seal installation Rod seal profile view
Medium pressure rotary seal installation example Medium pressure rotary seal example

Leakage control of medium to high pressure on rotary equipment is one of the most challenging sealing applications. Under higher pressure
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Our Rotary Seals capable of handling pressure above 7psi (0.5bar) are classified as follows:

High Pressure Rotary Seals

Pressure up to 20,000psi (1,380bar)*, at low surface speeds
Surface speed up to 5000fpm (25m/s)*
PV 500,000 * (pressure x velocity (psi x fpm))

VS-S19HP R11 R12 SB10HR
R3 R67 R68 R68R
R67R R4 R5 R30R

Other Seal designs are available.

Contact us, request information or call 1-800-283-7140 for immediate answers to your questions.

Medium Pressure Rotary Seals

Pressure up to 300psi (20bar)*
Surface speed up to 6000fpm (30m/s)*
PV 100,000 * (pressure x velocity (psi x fpm))

SB12 SB20 SB30 SB11
SB11B SB40 SB41 SB42B

Other seal designs are available.

Contact us request information or call 1-800-283-7140 for immediate answers to your questions.

Why American High Performance Seals?
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Availability:  Most standard or non-standard and application-specific designed medium and high pressure rotary shaft seals, in inch or metric sizes, are available with a 1-4 day turnaround.

Seal Materials: The selection of the best material has a critical impact on achieving the best sealing performance. Our comprehensive range of leading edge standard-, high- and low-temperature materials include: High-performance Polyurethane (P101), Nitrile, Viton®, H-Nbr, PTFE (Teflon®), filled PTFE, Aflas®, Hytrel®, Kalrez®, EPDM, Silicone, FDA compliant materials, Nylon, Nylatron®, POM, UHMWPE, Tefzel®, and Peek, along with our proprietary specialized materials. More Info on Materials

For your unique or special high pressure rotary seal, please Contact our engineers to help you in specifying a seal that’s best for your situation.

*Maximum values depend on seal material, seal configuration, media, temperatures, pressures, surface speed and working environment. For maximum seal life expectancy, do not operate your seal beyond 75% of its operating limits. Please consult our engineers (link to contact us) or call 1-800-283-7140 for advice.

Hardware Surface Finish Guidelines for PTFE/ Teflon Seals

Applications & Industries

AHP Seals Rotary Shaft Seals are currently in successful service in the following industries:

  • Agitators
  • Augers Mixers & Dryers
  • Casters
  • Crank Shaft
  • Drilling Spindles
  • Propellers
  • Electric Motors
  • Fuel Handling Flexible
  • Couplings
  • Fuel Pumps
  • Gear Boxes
  • Gear Pumps
  • Geo-Rotors
  • Hydraulic Motors & Pumps
  • Hydrostatic
  • Transmissions
  • Compressors
  • Liquid Handling Swivel
  • Joints
  • Propeller Shafts
  • Racing Engines
  • Rolling Mill
  • Vacuum Pumps
  • Wheel Hubs

American High Performance Seals assumes no obligation or liability for any advice furnished or results obtained with respect to these products. All such advice is given and accepted at the buyer’s risk. This information, based on our experience, is offered as part of our service to customers. It is intended for use by persons having technical skill, at their own discretion and risk. We do not guarantee favorable results, and we assume no liability in connection with its use.



American High Performance Seals, Inc.
408 High Tech Dr.• Imperial Business Park•Oakdale, PA 15071
Phone: 412-788-8815 • FAX: 412-788-8816 • Email:

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